Consolidated Statements of Income and Comprehensive Income (Unaudited) - USD ($)	3 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Revenues
Revenue from Contract with Customer, Including Assessed Tax	$ 11,528,000	$ 10,420,000
Costs and expenses
Salaries and employee benefits	8,347,000	7,892,000
Outside services	924,000	723,000
Postage and delivery expenses	163,000	169,000
Newsprint and printing expenses	159,000	154,000
Depreciation and amortization	104,000	115,000
Equipment maintenance and software	240,000	253,000
Credit card merchant discount fees	411,000	450,000
Rent expenses	65,000	72,000
Accounting and legal fees	320,000	350,000
Other general and administrative expenses	739,000	557,000
Total operating expenses	11,472,000	10,735,000
Income (loss) from operations	56,000	(315,000)
Other income (expense)
Dividends and interest income	875,000	638,000
Realized gains on sales of marketable securities	46,694,000	0
Net unrealized losses (gains) on marketable securities	36,088,000	(81,212,000)
Income before income taxes	11,438,000	81,450,000
Income tax provisions	(4,560,000)	(22,180,000)
Net income	$ 6,878,000	$ 59,270,000
Weighted average number of common shares outstanding - basic and diluted (in shares)	1,380,746	1,380,746
Basic and diluted net income per share (in dollars per share)	$ 4.98	$ 42.93
Comprehensive income	$ 6,878,000	$ 59,270,000
Margin Account [Member]
Other income (expense)
Interest expense on debt	(86,000)	(64,000)
Real Estate Bank Loan Secured by Logan Office [Member]
Other income (expense)
Interest expense on debt	(13,000)	(21,000)
Advertising [Member]
Revenues
Revenue from Contract with Customer, Including Assessed Tax	1,794,000	1,692,000
Subscription and Circulation [Member]
Revenues
Revenue from Contract with Customer, Including Assessed Tax	1,110,000	1,203,000
Advertising Service Fees and Other [Member]
Revenues
Revenue from Contract with Customer, Including Assessed Tax	670,000	634,000
License and Maintenance [Member]
Revenues
Revenue from Contract with Customer, Including Assessed Tax	4,480,000	5,033,000
Consulting Fees [Member]
Revenues
Revenue from Contract with Customer, Including Assessed Tax	1,761,000	244,000
Service, Other [Member]
Revenues
Revenue from Contract with Customer, Including Assessed Tax	$ 1,713,000	$ 1,614,000